Abstract: A light-emitting device comprises a textured substrate comprising a plurality of textured structures, wherein the textured structures and the textured substrate are both composed of sapphire; and a light-emitting stack overlaying the textured substrate, comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, wherein each of the plurality of textured structures comprises a top portion having a first top-view shape, and a bottom portion parallel to the top portion and having a second top-view shape, wherein the first top-view shape comprises a circle or an ellipse, the first top-view shape comprises a first periphery and the second top-view shape comprises a second periphery, the first periphery is enclosed by the second periphery, and various distances are between each of the first periphery and the second periphery.

Abstract: A light-emitting device comprises a textured substrate comprising a plurality of textured structures, wherein the textured structures and the textured substrate are both composed of sapphire; and a light-emitting stack overlaying the textured substrate, comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, wherein each of the plurality of textured structures comprises a top portion having a first top-view shape, and a bottom portion parallel to the top portion and having a second top-view shape, wherein the first top-view shape comprises a circle or an ellipse, the first top-view shape comprises a first periphery and the second top-view shape comprises a second periphery, the first periphery is enclosed by the second periphery, and various distances are between each of the first periphery and the second periphery.

Abstract: A light-emitting device comprises a textured substrate comprising a plurality of textured structures, wherein the textured structures and the textured substrate are both composed of sapphire; and a light-emitting stack overlaying the textured substrate, comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, wherein each of the plurality of textured structures comprises a top portion having a first top-view shape, and a bottom portion parallel to the top portion and having a second top-view shape, wherein the first top-view shape comprises a circle or an ellipse, the first top-view shape comprises a first periphery and the second top-view shape comprises a second periphery, the first periphery is enclosed by the second periphery, and various distances are between each of the first periphery and the second periphery.

Abstract: A Light Emitting Diode (LED) luminaire comprises a heat radiator, a power source and a plurality of LED light sources. The LED luminaire is further equipped with an adapter assembly, one end of which is fixed on the heat radiator and when in use the other end of which is fixed with the outside. The adapter assembly comprises a first adapter and a second adapter which can be rotatably engaged with each other through tooth structures formed on the two adapters; and when the two adapters are engaged to each other through the teeth structures the two adapters together form a waterproof housing. The LED luminaire further comprises a lens module board comprising a plurality of lenses covering the Light Emitting Diode light sources. The lenses comprise light distribution lenses configured to distribute light emitted from the Light Emitting Diode light sources in an asymmetric illumination profile.

Abstract: A light-emitting device comprises a textured substrate comprising a plurality of textured structures, wherein the textured structures and the textured substrate are both composed of sapphire; and a light-emitting stack overlaying the textured substrate, comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, wherein one of the plurality of textured structures comprises a top portion and a bottom portion, wherein a first distance between a first projection of the top portion on the bottom portion and the bottom portion at one side is different from a second distance between a second projection of the top portion on the bottom portion and the bottom portion at another side.

Abstract: A light-emitting device comprises a textured substrate comprising a plurality of textured structures, wherein the textured structures and the textured substrate are both composed of sapphire; and a light-emitting stack overlaying the textured substrate, comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, wherein one of the plurality of textured structures comprises a top portion and a bottom portion, wherein a first distance between a first projection of the top portion on the bottom portion and the bottom portion at one side is different from a second distance between a second projection of the top portion on the bottom portion and the bottom portion at another side.

Abstract: A light-emitting device comprises a textured substrate comprising a plurality of textured structures, wherein the textured structures and the textured substrate are both composed of sapphire; and a light-emitting stack overlaying the textured substrate, comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, wherein each of the plurality of textured structures comprises a top portion having a first top-view shape, and a bottom portion parallel to the top portion and having a second top-view shape, wherein the first top-view shape comprises a circle or an ellipse, the first top-view shape comprises a first periphery and the second top-view shape comprises a second periphery, the first periphery is enclosed by the second periphery, and various distances are between each of the first periphery and the second periphery.

Abstract: A Light Emitting Diode (LED) luminaire comprises a heat radiator, a power source and a plurality of LED light sources. The LED luminaire is further equipped with an adapter assembly, one end of which is fixed on the heat radiator and when in use the other end of which is fixed with the outside. The adapter assembly comprises a first adapter and a second adapter which can be rotatably engaged with each other through tooth structures formed on the two adapters; and when the two adapters are engaged to each other through the teeth structures the two adapters together form a waterproof housing. The LED luminaire further comprises a lens module board comprising a plurality of lenses covering the Light Emitting Diode light sources. The lenses comprise light distribution lenses configured to distribute light emitted from the Light Emitting Diode light sources in an asymmetric illumination profile.

Abstract: A light-emitting device comprises a textured substrate comprising a plurality of textured structures, wherein the textured structures and the textured substrate are both composed of sapphire; and a light-emitting stack overlaying the textured substrate, comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, wherein each of the plurality of textured structures comprises a top portion having a first top-view shape, and a bottom portion parallel to the top portion and having a second top-view shape, wherein the first top-view shape comprises a circle or an ellipse, the first top-view shape comprises a first periphery and the second top-view shape comprises a second periphery, the first periphery is enclosed by the second periphery, and various distances are between each of the first periphery and the second periphery.

Abstract: A molded camera suitable for use on a vehicle to capture an image of a field-of-view about the vehicle includes a circuit board assembly, a pigtail connector, an imager device, a lens assembly, and a polymeric compound. The pigtail connector is attached to the circuit board assembly. The imager device is attached to the circuit board assembly. The lens assembly is configured to focus the image of the field-of-view about the vehicle on the imager device. The polymeric compound is configured to encapsulate the circuit board assembly, seal/protect the molded camera and define an external portion of an exterior surface of the molded camera.

Abstract: An assembly that attaches a ball grid array (BGA) packaged camera device to a printed circuit board (PCB) substrate is provided. The assembly includes a spacer between the device and the substrate. The spacer is configured to prevent excessive collapse of solder balls located between the device and the substrate during reflow of the solder balls. The spacer includes one of solder mask, tape, and/or legend ink.

Abstract: A light-emitting device comprises a textured substrate comprising a boundary and a plurality of textured structures within the boundary, wherein the textured structures and the textured substrate are both composed of sapphire; and a light-emitting stack overlaying the textured substrate, comprising a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, wherein each of the plurality of textured structures comprises a top portion having a first top-view shape and a bottom portion parallel to the top portion, the bottom portion having a second top-view shape, wherein the first top-view shape comprises a circle or ellipse and the second top-view shape comprises a polygon, wherein the first top-view shape and the second top-view shape overlap each other, and the textured structures are spaced apart from each other from a top view of the light-emitting device.

Abstract: A kind of Light Emitting Diode (LED) luminaire comprises a radiator, a power source and a plurality of LED light sources. The power source is connected with the LED light sources electrically; the power source is installed on the radiator which is equipped with holes to make its top and bottom connected. The LED luminaire is equipped with an adapter assembly comprising a first adapter and a second adapter, which are rotatably and movably connected through a tooth profile structure. The first adapter is fixed on the radiator; when in use, the second adapter is fixed with the outside. The LED luminaire further comprises a lens module board, which is fixed on the bottom of the radiator, covers the LED light sources, and is sealed by a waterproof ring, with one lens covering one LED light source. The lens on the lens module board is a polarized distribution lens.

Abstract: This invention discloses a LED lamp, which comprises a radiator; a power supply having a power supply box; and a plurality of LED light sources electrically connected with the power supply; wherein the power supply is installed at the back of the radiator; and the power supply is covered by the power supply box which is fixedly secured on the back of the radiator. One end of the power supply box is movably connected with one end of the back of the radiator, and the other end of the power supply box is fixedly secured to the other end of the back of the radiator by fasteners. The LED lamp further comprises a lens module plate covering the LED light sources and sealing by a waterproof ring. This LED lamp can be easily dismounted and installed, whose structure is concise. And The LED lamp has the advantages of good waterproof effect and good heat dissipation, which can be extensively utilized for lighting.

Abstract: An assembly that attaches a ball grid array (BGA) packaged camera device to a printed circuit board (PCB) substrate is provided. The assembly includes a spacer between the device and the substrate. The spacer is configured to prevent excessive collapse of solder balls located between the device and the substrate during reflow of the solder balls. The spacer includes one of solder mask, tape, and/or legend ink.

Abstract: A fabrication method of a light-emitting device comprises providing a growth substrate; forming a protective layer on a first surface of the growth substrate; and forming a first semiconductor layer on a second surface of the growth substrate opposite to the first surface, wherein the coefficient of thermal expansion of the growth substrate is smaller than that of the protective layer and the first semiconductor layer.

Abstract: This disclosure provides a light-emitting device including a patterned substrate and the manufacturing method thereof. The patterned substrate has a plurality of depressions and/or extrusions for scattering light emitted from a light-emitting layer. Each of the plurality of depressions and/or extrusions comprises a top portion, a bottom portion, and a sidewall portion enclosing the top portion and the bottom portion, and at least part of the sidewall portion comprises a curve. In a preferred embodiment, the light-emitting device further comprises a rough surface formed on at least one of the top portion, the bottom portion, and the sidewall portion.

Abstract: A fabrication method of a light-emitting device comprises providing a growth substrate; forming a protective layer on a first surface of the growth substrate; and forming a first semiconductor layer on a second surface of the growth substrate opposite to the first surface, wherein the coefficient of thermal expansion of the growth substrate is smaller than that of the protective layer and the first semiconductor layer.

Abstract: This disclosure provides a light-emitting device including a patterned substrate and the manufacturing method thereof. The patterned substrate has a plurality of depressions and/or extrusions for scattering light emitted from a light-emitting layer. Each of the plurality of depressions and/or extrusions comprises a top portion, a bottom portion, and a sidewall portion enclosing the top portion and the bottom portion, and at least part of the sidewall portion comprises a curve. Ina preferred embodiment, the light-emitting device further comprises a rough surface formed on at least one of the top portion, the bottom portion, and the sidewall portion.

Abstract: A light-emitting device comprising a substrate, a light-emitting stack, and a transparent adhesive layer having wavelength-converting materials embedded therein formed within the light-emitting device is provided.